• 他人たにん — other people / strangers
• 他方たほう — the other side
• その他た — the others
• 他国たこく — foreign country
• 他界たかい — passing away
• 他所よそ — somewhere else

The kanji 他 combines the radical 亻 (person) with 也 (phonetic). It originally suggested "a person who is different" — later broadening to mean "other" or "another." It’s common in compound words involving contrast, distinction, or separation.