Kleiner Junge in der Nähe der Tafel mit der Aufschrift "Mobbing stoppen" - Stockfoto & -bild

Little girl with sign "Stop bullying" in classroom

Little boy with word "Stop" indoors

Little boy near chalkboard with words "Stop bullying" indoors

Little boy holding sign with words "Stop bullying" in classroom

Little girl sitting on floor and holding sign with words "Stop bullying" near grey wall

Sad little African-American boy sitting at desk in classroom and message STOP BULLYING on background

Little girl sitting near chalkboard with words "No to bullying" indoors

Little boy holding sign with words "Stop Bullying" on grey background

Little boy holding paper with text STOP BULLYING on dark background

Chalkboard with text "Stop bullying" on table

Chalkboard with text "Stop bullying" on table

Chalkboard with text "Stop bullying" on table

Chalkboard with text "Stop bullying" on table

Chalkboard with text STOP BULLYING on grey background