A singer is a person who sings, especially professionally. A singer in a dream could symbolize a person in worship or praise. It could also be symbolic of celebration of victory or joy.
Positive: In a dream, seeing a singer could be symbolic of a person entering into praise and worship. It could represent victory and celebration in one’s life. Singing unto the Lord may represent one with a grateful heart.
Negative: A person singing off key or poorly in a dream may represent a person who is lazy or has become complacent or familiar. Seeing someone singing to another person could represent idolatry or putting another person above God.