The phrase "work in" can be used in various ways, from referring to a specific task or duty to the act of being employed. Synonyms for "work in" include "perform," "execute," "carry out," "complete," "undertake," "handle," "manage," "accomplish," and "fulfill." Similarly, the phrase can also be used to describe someone being included or integrated into a group or organization, in which case synonyms include "join," "become a part of," "be included in," "be integrated into," and "form part of." Other related phrases might include "work with," "collaborate on," or "cooperate in," all of which imply a joint effort toward a common goal.