give them something that they can lose. people attempt suicide because they think that they have nothing to lose. to give an example, there's people in this world that i love and care about, and those people love me and care about me. if i killed myself, or wronged them in some other way, they would get hurt, and i don't want that. i still sometimes get suicidal thoughts, but i'm aware that that's a symptom of something else and not something i should actually act on.

be there for them, signal to them that they are loved. at the end of the day they have to put in the effort to recover themselves, but no one is an island.