Starmaster (星主 Hoshi Shu, Star Master) is a term used by Fukien to refer to Tir McDohl's status as the Tenkai Star.
Suikoden
The term Starmaster is only used twice; once by Fukien upon meeting Tir McDohl for the first time[1] and again by Viktor immediately following the initial reference[2]. Whether the term is synonymous with the Tenkai Star or refers to some other aspect of the stars of destiny is unknown.