It indicates that the person who sees the dream will make great sacrifices for the person who approaches him as a friend, but is not like that, that he will make great efforts for him, and that he will host him with all his pure feelings and good intentions. It means that the dreamer values the wrong people.
Chasing a black snake in a dream represents the existence of a person who tries to put stones in the work and path of the person who sees the dream, and who covets his earnings and happiness. It indicates that the dreamer is someone who tries to take advantage of himself through his efforts.