Companheiro
Companheiro is a Portuguese noun that denotes a person who accompanies another, a partner, ally, or fellow member of a group. The feminine form is companheira, and the plural forms are companheiros (masculine) and companheiras (feminine). In broader or more personal contexts, the term can refer to a life partner, but it is often used in a neutral or informal sense for a friend or associate.
Etymology and sense development: The word derives from Latin companiōnem (through Romance languages), with a historical
Usage: In everyday language, companheiro describes someone who accompanies another or with whom one shares an
Political and social usage: In political and activist circles within Portuguese-speaking countries, especially in Brazil, companheiro