者
person who does
Kind of like the use of "-er" in English which turns a verb like "build" to a noun like "builder"
译者 - yì zhě - translator
医务工作者 - yī wù gōng zuò zhě - medical worker (can be used in the same manner for almost any noun phrase ending with 工作 indicating a line of work)
前者 - qián zhě - the former
后者 - hòu zhě - the latter
by
jkao