He's playing wingman for them. He teased both of them by letting Luke know Gabriel was at his place and that he was fucking with him, and then he invited Luke to the bar and left so they would see each other. He's also a ho so he's a little sus and probably wouldn't object to a 3some with them.
But there was also the screen where he said he was jealous for pushing them together. But the question is who is he jealous of
Well that's his hoe side showing. Hoes don't like rejection.
I really wonder if Angel likes Gabriel or if he likes Luke. It’s really hard to say for sure just because he wants to know about Gabriel doesn’t mean that he likes him. Then Ray must be super conflicted about what’s going on with his feelings.