Why is the word teacher considered a positive connotation vs the word professor being a denotation?

The Word "teacher" is often associated with nurturing and guiding students at all levels, embracing a more personal and supportive approach. In contrast, the Word "professor" carries a more formal and academic connotation, emphasizing expertise and authority within a university or college setting. The distinction in connotations stems from the different roles and expectations attached to each term in educational contexts.