担 is built from the 扌 (hand (left)) and 旦 components.
It reads タン like 旦, as do 胆 and 壇 — learn 旦 once and the family's reading comes with it.
A common word using 担 is 担ぐ (かつぐ), meaning “to shoulder, to carry on shoulder”.
Kanji that look similar include 披, 抱, 抵, and 抹.