A: This is a loaded question with no clear-cut answers. You may have to rethink some of the things you are used to, dealing with sadists. Dominants and sadists may look and act similarly, and often you may not see much of a difference, but at least in my definition of the labels, there are some subtle differences that may throw you off.
Note that men are just as unique and complicated as women are, with the added complication that we suck at expressing our emotions. Women are emotional communication athletes; men may change your tire and carry heavy luggage, but you have to do the heavy lifting where you excel.
Most guys you run into will have streaks of dominance and sadism and it is about which is more pronounced. Personally, I can be your domly dom-dom, but what satisfies me in the end of the night is not your obedience and your submissiveness, but your emotional and physical responses to me. Echoing the princess by day/slut by night thing, I am a dominant by day and sadist by night. Awfully over-simplified, but still fairly accurate.
I doubt you will see much of the male chase of the female that you are used to from a sadist. A dominant might chase because he is more or less a caricature of an alpha male, taking the “normal” a step further. Personally, I think a sadist is less of a caricature of an alpha male, and more of something else. If a dominant is a king, then a sadist would be a magician, or a bishop. If a dominant is a knight, then a sadist is a priest. If a dominant is the tribal chief, then the sadist is the shaman. If a dominant is a sculptor, then a sadist is a poet.
A sadist is less likely to thrill much at the chase and instead savor the cat-and-mouse play after he has you. He will hurt you. He will hurt you physically and perhaps emotionally, and his thrill is in your being helpless to resist, and your being helpless to resist coming back for more. The thrill is not in the hunt and the kill, but in the profound connection and intimacy between the torturer and the tortured.
I do not pursue women. Women come to me. It is not as arrogant as it sounds, though. I will feed off you and I will take from you and I cannot bear the thought of converting somebody, anybody, to this. You have to approach me standing on your own two feet, and you have to convince me that you not only understand but that you crave being fed on as much as I crave feeding on you.
I seek symbiosis. I seek those that will not crumble when I sink my teeth into them. I seek strength, magnificence, and emotional force powerful enough to be shared, to enclose me, to wrap itself around me.
A sadist feeds off your response to him. It is in your response to his touch or his presence that he sees himself. It is only when you respond to him that he feels truly alive. He is less likely to be enamored with your submission and obedience, and instead relish your capacity to surrender, to feel, and to communicate those feelings to him.
Do not make the mistake of faking it, though. Part of his make-up is a strong ability to empathize. His empathy is his sex-organ, if you will. He uses his empathy to penetrate your emotions and to sink deeper and deeper into you; it also means that he will sense when something is off-kilter.
The sadist needs you to feel so strongly and shine so brightly that his own heart resonates with yours. That is when you have him. You connect with a sadist by making him feel, and you do that by feeling so strongly that he is caught in the maelstrom of your emotions.

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Q.) How do I keep a Sadist interested?
A.) By being interesting!
~giggles and blushes fiercely~
You get to me. And you get me. And you always will. There’s nowhere to run, and no place to hide because I crave what you are so profoundly. I’ve said before that you hold me captivated between your teeth, and now I almost want to add suspended to that description, though it is already implicit and I know we both FEEL it. Fuck, you just… you dangle me over the precipice, the chasm, the darkness, and somehow from that place I reflect more Light than I ever have, more Devotion than I knew possible, more openness than before. You tear my heart open. And that pain is so fucking delicious. Thank you.