4 Old HSK word(s): ☊徒弟 ** C ☊匪徒 ** D ☊叛徒 ** D ☊歹徒 ** D
暴徒* * 党徒* * 赌徒* * 佛教徒* * 高徒* * 回教徒* * 教徒* * 基督徒* * 门徒* * 清教徒* * 囚徒* * 圣徒* * 师徒* * 使徒* * 徒* * 亡命徒* * 新教徒* * 信徒* * 学徒* * 异教徒* *

Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.

异 different, unusual, strange
教 teach, class
徒 disciple, follower / go on foot

Hsk Characters: 徒 *
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual
徒 5F92 + 徒 + + disciple, follower / go on foot 彳 走 Foodstep 走 (GEHEN) tu2 +

Korean:

徒 + 徒 무리 도 (a group of people/animals) or 한갓 도 (only, merely, simply) or 걸을 도(walking) or 동류 도 (people same as you) or 하인 (servant, helper)
3 NHSK word(s): 匪徒* 6 fei3 tu2gangster/ bandit 徒弟* 6 tu2 di4apprentice/ disciple 歹徒* 6 dai3 tu2evil-doer/ malefactor/ gangster/ hoodlum
KOREAN6000 word(s):
0 KOREAN 2500 New HSK words):
0 KOREAN Sentence(s):