Can this hurt my baby?

I'm 15 and I have a baby thats only 7 months I live with my dad because my dad won't let me get a job to afford my own place, my dad always want things his way even when it comes to my baby he is always trying to feed him grown up food like cookies cotton candy lolly pops ice pops and all that but I won't let him but e does it anyway when I not there or not looking when he was a newborn he always tryed to get me to feed him rice I said no because I heard it could put holes in his stomake and alot of other thing along with it to early my cosent has a hole in his stomake and he was feed rice right after he was born but my Aunt would believe it was from that and my mommom is always saying it is to early for him to have that stuff don't do anything my Aunt does when rasing my kid does anyone know what to do to find out if hes ok and if it could hurt him by my dad doing this and how I can get him to stop because he won't lesson t me and if I tell him no don't do that he says " your son is going to be a pus*y or gay and I'm a bad mom and that I'm being a as*hole or a bi*ch" I can't take it anymore I need to know what could happen