Answer:
He defended his client by calling on the traditional French value of Fraternity.
Step-by-step explanation:
Cedric Herrou's Lawyer Zia Oloumi told the court in defence of the allegation of smuggling immigrants levelled against him, that his client was only upholding the French value of Fraternity.
His argument is that Herrou is defending the republic by practising the principles of Fraternity which in this case involved, helping immigrants into the country.
Cheers!