Am I immature or paranoid for being creeped out by this man?

Hello, everyone. Lately, a man who lives in my neighborhood has been making me uncomfortable. I do not even know his name and all I've ever done was greet him back whenever we happened to stand on the bus stop together but one day, he began calling me "his baby" and hugging me and touching my hand. I've tried to telling him that I do not know him so I don't feel comfortable with him acting so chummy with me but he only responds by saying that he wants to be my boyfriend. I told him that I'm 22, don't know him, and would never be interested in him because he told me that he's 50 and loves younger women. I don't know how to handle this situation with this man who's older than my actual father. He just can't seem to catch a hint that I'm disturbed that he's interested in me when he doesn't know me and he's that much older. Am I just being immature or paranoid or is he as creepy as I think he is?