badge
noun
an emblem (a small piece of plastic or cloth or metal) that signifies your status (rank or membership or affiliation etc.)
“they checked everyone's badge before letting them in”
any feature that is regarded as a sign of status (a particular power or quality or rank)
“wearing a tie was regarded as a badge of respectability”
verb
put a badge on
“The workers here must be badged”
Source: WordNet 3.1, Princeton University