He knows I like him and he teases me, does he like me?

I've not confirmed he knows I like him, but he's friends with two girls I used to be with most of the time and they knew I had a crush on him. Now I don't get along with them, I think they told him I like him just for "revenge" because they're that type of girls. It's been a year since I had a crush on him, you could say the whole class knows, I bet someone told him already. The thing is, he likes to tease me. We tease each other, we push, mock, poke each other. The other day he initiated the pushing and I told him I was the one who could push, not him (playfully). He said "Oh really?" and pushed me and held me against the hallway wall (not facing me okay lol). Other times he catches up to me when I'm walking alone and makes me wait for him and the others or pokes me. He sits in front of me in our classes and he likes to say things I do (good morning in different language, reply with "yasss" to the teacher) I say these things in a low voice, but he listens. So, what do you think? There are others things, if you want to know, ask.
He knows I like him and he teases me, does he like me?
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