Need help with platinum trophy

Hi there, looking for some help with three trophies (multiplayer based). They are: win a duel, revive a player and send an item to a friend. I am usually an offline only player so need some help. I don’t have much to offer as compensation as I have only just started farming higher mayhem levels, but I did get an anointed handsome jackhammer with after action skill end next two magazines get 50% bonus incendiary. I also have the crimson radio fl4k skin if interested. My PSN is resurge23. Thanks for reading!