To betray someone by informing on them.
To maliciously or dishonestly incriminate someone; to set up (in the sense trap or ensnare)
To join or close by sewing.
To prank, trick, or deceive (a person), whether or not malice is intended.
To fabricate (e.g. a legal case).
To complete arrangements for (a situation), especially clandestinely or prematurely and for one's own benefit.