copula

an equating verb (such as `be or `become) that links the subject with the complement of a sentence

Some schools do not give weightage to extracurricular activities.$"activeness","N","1.सक्रियता"Activeness is the key for success.$"activism","N","1.सक्रियतावाद"He was involved in political activism in his college.

A type of verb that connects a subject with its complements,eg.Ram became ill,the verb becameis a copula.