Brighton police are offering a reward for information that leads to the arrest of local man Aaron Taylor.
Taylor, 32, is wanted in connection with an investigation into stalking, coercive and controlling behaviour and an assault.
Police are offering £250 to anyone who can help them with his arrest.
He is described as white, of stocky build, with dark hair, blue eyes and facial hair.
It is thought that Taylor remains in the local area.
Anyone who sees him is urged to dial 999 or report it online, quoting 47200210163.