A man standing in front of a chalkboard (aka blackboard) with the intention of teaching a class. Often shown holding a ? Closed Book or a pointer.
The Man Teacher emoji is a ZWJ sequence combining ? Man, Zero Width Joiner and ? School. These display as a single emoji on supported platforms.
Man Teacher was added to Emoji 4.0 in 2016.
U+1F468
U+200D
U+1F3EB
?? Man
?? Zero width joiner
?? School