我 is one of the most commonly used Japanese kanji, and it also has a lot of special readings in addition to the standard onyomi and kunyomi readings.
ONYOMI 音読み
われ ware わ wa わ.が- wa.ga- わが- waga-
KUNYOMI 訓読み
ガ ga
Examples
彼も人なり我も人なり。What man has done, man can do.われに自由を与えよ。しからずんば死を与えよ。Give me liberty or give me death.我思う、故に我あり。I think, therefore I am.我思う、故に我あり。I think, therefore I am.恋人よ、我に帰れ。Lover, come back to me.我こそ魔女がりの大将。I’m the witchfinder general.