As of now, Uta is indeed alive. The story hasn't depicted anything otherwise. Maybe there'll be changes in the future, but for now, Uta's part in the manga continues with them being alive.
I'm not sure which anime character you're referring to. If you can provide more information such as the name of the character, the storyline, etc., I will try my best to provide you with a more accurate answer.
" Uta's Dream " and " One Piece Uta, The World's Songstress " were two novels recommended for playing Uta. Both novels had stories and character settings about Uta.
I'm not sure which anime character you're referring to. Please provide more context information such as which storyline this character appears in or can you tell me the country or race this character belongs to, etc. This way, I can better help you answer your questions.
Their relationship could start with Uta being initially distrustful of Luffy. After all, Luffy is a pirate and Uta has her own ideas about pirates. But as she sees Luffy's pure heart and his determination to protect his friends and pursue his dreams, she starts to warm up to him. They might then become friends who share their different stories and experiences.