Barnier, the prime minister nominated by Emmanuel Macron, has cultivated an image of elder statesman.
He focuses on his former roles as EU Commissioner and Brexit negotiator to bolster his image.
His varied and extensive political career is seen as one of his strengths.
Despite his discretion about his intentions, he has maintained a positive image due to his composure and serenity.
His sparse signals regarding the political and financial direction of the country have caused concern.
His resistance to the extreme right wing, and the need to effectively handle the issue of immigration, stand out as major challenges.
Conclusion: Barnier is at a pivotal moment and faces significant challenges. He must delicately handle and balance a range of sensitive issues to maintain his image and effectiveness as a leader.