仕 is built from the 亻 (person (left)) and 士 components.
It reads シ like 士, as do 志 and 誌 — learn 士 once and the family's reading comes with it.
A common word using 仕 is 仕事 (しごと), meaning “work, job, occupation, employment”.
Kanji that look similar include 他, 付, 仙, and 代.
