Need some advice please

Need some advice please So I have really bad stutter specially when I have to explain stuff and people have started to notice it and I’m 24. My 2 cousins who are always jealous of me are always going on instagram reels and liking videos of stuttering to make fun of me and all their friends and my friends can see that and they been liking instagram reels for the past 7 months just to bully me. What would yall do in this situation because these people won’t understand even if I tell them to stop. So what would yall do in my situation?