Is child a determiner

No, "child" is not a determiner; it is a noun that refers to a young human being. Determiners are Words that introduce nouns and provide context, such as articles (e.g., "a," "the"), demonstratives (e.g., "this," "those"), and possessives (e.g., "my," "their"). In a sentence, you might use a determiner before "child," like "the child" or "a child."