8 1 2 ▁and , ▁as ▁he ▁encountered ▁local ▁tribes , ▁learned ▁their ▁languages ▁and ▁custom s . ▁His ▁ability ▁to ▁communicate ▁in ▁the ▁different ▁languages ▁made ▁him ▁valuable ▁to ▁the ▁government ▁and ▁the ▁military ▁for ▁trib al ▁negoti ations . ▁ ▁After ▁military ▁service , ▁Williams ▁became ▁a ▁Protest ant ▁pre acher , ▁and ▁worked ▁with ▁some ▁of ▁the ▁Native ▁American ▁tribes , ▁moving ▁west ▁from ▁Mississippi ▁to ▁front ier ▁areas . ▁ ▁During ▁his ▁early ▁years , ▁he ▁lived ▁with ▁the ▁Os age ▁Indians ▁in ▁Missouri , ▁and ▁later ▁with ▁the ▁U te ▁Indians . ▁ ▁While ▁res iding ▁with ▁the ▁Os ages ▁he ▁worked ▁with ▁the ▁Harm ony ▁Mission ▁to ▁the ▁Os ages . ▁ ▁He ▁translated ▁the ▁b ible ▁into ▁the ▁Os age ▁language ▁and ▁was ▁the ▁interpreter ▁for ▁the ▁ 1 8 2 5 ▁treat y ▁between ▁the ▁Os age ▁and ▁the ▁United ▁States . ▁ ▁Mar riage ▁and ▁family ▁He ▁married ▁A - C i ' n - G a , ▁a ▁full - blo od ▁Os age ▁woman . ▁ ▁They ▁became ▁the ▁parents ▁of ▁two ▁daughters . ▁ ▁He ▁assim il ated ▁into ▁the ▁Os age ▁as ▁a ▁fur ▁tra pper ▁and ▁never ▁returned ▁to ▁European - American ▁life , ▁however ▁he ▁did ▁send ▁his ▁half - Os age ▁daughters ▁to ▁it . ▁Williams ▁was ▁named ▁" L one ▁El k " ▁by ▁numerous ▁Native ▁American ▁tribes . ▁ ▁William ▁had ▁two ▁children ▁with ▁A - C i ' n - G a , ▁whose