You just trust them. Life gets very difficult if you never trust anyone. You could get stabbed by a passerby on the street. Yet you don't stop going outside be

You just trust them. Life gets very difficult if you never trust anyone. You could get stabbed by a passerby on the street. Yet you don't stop going outside because of this threat. Most people are good. In addition talented people have their own ideas they would rather pursue than yours, and a freelancer might not want to ruin their reputation either.