Timbor was a 24th century individual. By the late 2350s, Timbor served as Counsel Head on the planet Betazed.
Mark Roper, head of the Federation embassy on Betazed, met with Timbor on one evening in 2359. The next day, Roper asked his assistant to arrange a further meeting with Timbor after learning that the Rigellian ambassador would be visiting the embassy. (TNG novel: Imzadi)