ai generated, world teacher’s day theme. male teacher standing in front of a blackboard in the classroom, holding a book.

cartoon poster person brand clothing presentation man design drawing face comics sketch generated world teacher’s day theme male teacher standing front blackboard classroom holding book flat simple happy teacher's copy space available congratulations gift card generated teacher book smile thank school concept back school poster card celebration national teachers vector background day happy learning learning teachers flat study knowledge graphic congratulation profession job work student bouquet primary education classroom human beautiful character person people vector cartoon