遇 is built from the 辶 (walk / road) and 禺 (monkey (in 偶·遇)) components.
It belongs to a phonetic family with 隅 and 偶 — they share the 禺 component and the reading グウ.
A common word using 遇 is 境遇 (きょうぐう), meaning “environment, circumstances”.
Don't confuse it with 偶, 隅, and 愚.