Police are looking for Ryan Bodle, 29, who they want to interview in connection with public disorder that occurred in Wakehurst Road, Eastbourne, on January 7.
The appeal follows an incident when members of a neighbouring family were threatened in the street.
PC Dan Cloake said, “We are keen to trace Ryan Bodle, who is not believed to a be a danger to the general public. He is well known in the Hampden Park area of Eastbourne.
“If you have seen him or know where he is please contact officers on 101 or via email on firstname.lastname@example.org
“Alternatively you can call the independent charity Crimestoppers anonymously on 0800 555 111.”