I don't know.
Many acts I do are antagonistic, but many I do are protagonistic. In the stories, it's the villain I've always wanted to be, but it's in my nature (and in the nature of most others) to be the hero, not the villain.
There is a famous quote: "when given the choice between being right, and being kind. Choose kind." That quote does not apply to me. I generally choose right before kind, but if I can do both, I do.
In video games, I'm 90% self-centered. For example, in Splatoon 2, I go off on my own. I rack up the points like no one's business, but that's not good for the team. I killsteal. I do things like that in all video games. But those are games. Those don't matter.
I lie a lot. I'm very deceptive. That is antagonistic, but that doesn't usually have a negative impact on the people I do it to, and it gains me something, so I say it's worth it.
But I am a kind person. I'm a compassionate person. I would put my life on the line for the sake of others.
What does that make me?