<P> Informally the role of teacher may be taken on by anyone (e.g. when showing a colleague how to perform a specific task). In some countries, teaching young people of school age may be carried out in an informal setting, such as within the family (homeschooling), rather than in a formal setting such as a school or college . Some other professions may involve a significant amount of teaching (e.g. youth worker, pastor). </P> <P> In most countries, formal teaching of students is usually carried out by paid professional teachers . This article focuses on those who are employed, as their main role, to teach others in a formal education context, such as at a school or other place of initial formal education or training . </P> <P> A teacher's role may vary among cultures . </P> <P> Teachers may provide instruction in literacy and numeracy, craftsmanship or vocational training, the arts, religion, civics, community roles, or life skills . </P>

Who said this the teacher is not an instructor or task master