This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
俉 combines the person radical 亻 with 吾, which likely contributes a phonetic element. The exact historical development is uncertain.
A person 亻 beside 吾, a shape that appears in many characters. Without a clear meaning, picture a person standing next to a mysterious symbol.
For ゴ, imagine a person going to meet someone: go -> ゴ, and the person radical 亻 suggests a human encounter.