伯 is built from the 亻 (person (left)) and 白 components.
It reads ハク like 白, as do 迫, 泊, 拍, and 舶 — learn 白 once and the family's reading comes with it.
A common word using 伯 is 伯父; 叔父さん (おじさん), meaning “uncle, middle-aged man”.
Kanji that look similar include 伴, 伸, 伺, and 似.
