This rare kanji has no clear standalone meaning. Treat its meaning as uncertain.
僓 combines 亻 (person) with 貴, which likely contributes the sound. The exact historical development is uncertain.
A person 亻 beside 貴 (precious, noble) suggests a person of value, but the actual meaning is uncertain.
For タイ, imagine a person 亻 wearing a tie タイ beside something precious 貴: tie -> タイ.