Lächelnder männlicher Lehrer blickt in die Kamera und schreibt auf Kreidetafel im Unterricht - Stockfoto & -bild

Crumpled paper balls flying at male teacher with arms crossed in classroom with chalkboard on background

Handsome male teacher holding glasses and looking at camera in maths class

Young male teacher beside blackboard on white blackboard

Attractive elegant professor or teacher standing in a classroom in front of a blank chalkboard holding his glasses in his hand smiling at the camera

Serious male teacher in formal wear holding wooden pointer in front of chalkboard with equations

Handsome young teacher near blackboard in classroom

Male teacher taking a question from the class as he stands in front of a blank chalk board extending his hand

Portrait of young bearded teacher standing against blackboard in classroom

Crumpled paper balls flying at male teacher with arms crossed in classroom with chalkboard on background

Handsome male teacher holding glasses and looking at camera in maths class

Serious male teacher in formal wear holding wooden pointer in front of chalkboard with equations

Smiling male teacher in formal wear looking at camera and standing near desk in classroom

Crumpled paper balls flying at frightened male teacher in classroom with chalkboard on background

Crumpled paper balls flying at frightened male teacher in classroom with chalkboard on background

Male teacher in formal wear writing equation on chalkboard in maths class

Focused male teacher in formal wear looking at camera and holding wooden pointer in front of chalkboard with equations

Smiling male teacher in formal wear holding wooden pointer in front of chalkboard with equations

Smiling male teacher throwing apple in class with chalkboard and desk on background