Soon-Tek Han was a male Human security guard assigned to the USS Enterprise-D in the mid-2360s. He dated Ensign Lian T'su for a brief time in 2365, before being captured and assimilated during the Enterprise's first encounter with the Borg that year. (SCE eBook: Many Splendors) Jean-Luc Picard later met with Han's grandparents to let them know of their grandson's presumed death. (TNG novel: Q & A)