Police are concerned for the welfare of Paul Shirley who has been reported missing from his address in Pulborough.
The 41-year-old went missing last Sunday (June 19).
Officers believe he has slept rough in many areas of Sussex, and was recently seen in Brighton, Burgess Hill, and Crawley.
He also has links to London where he has previously travelled to.
Paul is skinny with short blond hair, 6’, and has many tattoos including on his arms and neck of a tribal design.
Any sightings or information can be reported to Sussex Police online or call 101 and quote serial 632 of 23/06.