If you say that someone is a front man for a group or organization, you mean that their role is to represent and give a good impression of it to the public, especially when it is not very respectable or popular.
[disapproval]
He is the company's front man in Washington.
[Also + for]
2. countable noun
The front man of a group of musicians is the leader of the group, usually the singer.
People musn't forget that he's one of the greatest rock'n'roll front men of hisgeneration.
[Also + of]
front man in British English
or frontman (ˈfrʌntˌmæn)
nounWord forms: plural-men informal
1.
a nominal leader of an organization, etc, who lacks real power or authority, esp one who lends respectability to some nefarious activity
Gender-neutral form: figurehead
2.
the leader or visual focus of a group of musicians, usually the singer
Also called: front person
Examples of 'front man' in a sentence
front man
He would be a good front man.
Times, Sunday Times (2012)
His passing into the front men is a real asset.
The Sun (2009)
He says he is a lousy singer... but good front man.
The Sun (2010)
Spurs have long been linked with the West Brom front man and at one stage were hot favourites to land him.