Next to him, the popular firebrand opposition leader Ousmane Sonko urged supporters to vote for his ally.
The MPs are accused of contempt of Parliament for calling the President a ‘money launderer’ during a House sitting nearly two years ago.
The Sudan war has killed thousands, displaced millions of people and sparked warnings of famine.
There are no public election opinion polls in Senegal, but Faye is seen as a strong contender vying to succeed President Macky Sall.
Police found 251 children on his farm who were not attending school and most of whom had no birth certificates.