What is another word for cross mate?
Pronunciation: [kɹˈɒs mˈe͡ɪt] (IPA) 
There are several synonyms for the term "cross mate." A cross mate typically refers to a person who helps a fellow worker from another department or division, sharing knowledge and expertise to solve a problem. A similar term for cross mate could be "cross-functional team member," or simply "teammate" or "colleague." A "problem-solver" could also apply to someone who effectively works with individuals outside of their own department or area of expertise. Other related terms include "collaborator," "advisor," or "consultant." Each of these words helps to define the role that a cross mate plays within an organization, and highlights the importance of strong communication and teamwork.
