佗

亻 = 丿 + 丨 : Mnemonic symbol: Rosa Luxemburg. She's quite radical, and her name starts with "r", just like "ren2". Also, 亻appears at the left-hand side of characters, and Rosa is a leftist as well.

Robinson Crusoe (r) and Rosa Luxemburg (亻) are having their favorite snacks in the encampment's kitchen: Rosa is eating a banana (丿) and Robinson is eating a dinosaur bone (丨).

它 = 匕 + 宀 : it => i.t. => information technology => a computer. Tecumseh just finished his i.t. degree - he passed his final exam using his laptop in front of the ashram. He has no desk, so he uses a big ladle to balance his computer.