Uncle is a creep??

Long story short... my mother’s brother is visiting and he is staying at our house. He is very touchy and flirtatious when it comes to me. I have a younger brother & sister and he does not act like this towards them especially with my sister. When ever he sees me he touches either my arms/shoulders or even demands a hug. He tries to invite me to places with him. The other day I was walking home and he came up behind me and wrapped his arm around me and walked me home. I found it a bit odd but didn’t say much. He even calls me “mami” “my love” and it’s honestly starting to make me super uncomfortable. Both my parents have noticed this odd behavior. He even stares at me in a certain way. I always catch him glancing at me. I’m at the point where I’m creeped out and sleep with my door locked since he is sleeping in the room across from mine. I just have this gut feeling that something isn’t right. Has anyone ever experienced this with a male family member? How did/would you deal with this?