Iranian officials have monitored Firouzi since his first arrest in 2011.
Pooriya Peyma received a 91-day sentence and did not appeal.
Iran continues to imprison, harass and persecute Christians, particularly those of Muslim faith backgrounds.
Despite her good relationship with her employer, she has also been unable to return to work since her release last year.
Most recently, she was arrested by the “morality police”.
According to Iranian justice any Muslim who leaves Islam to convert to any other religion will be arrested.
Article18 Advocacy Director Mansour Borji told BBC Persian that the lashes were “inhumane and humiliating.”