Final answer:
In the film 'Amélie,' the old painter Raymond Dufayel, known as the 'Glass Man,' gives Amélie and her lover profound advice that encourages her to pursue her own happiness and relationship with Nino.
Step-by-step explanation:
The person that gives Amélie and her lover some good advice in the film 'Amélie' is a. The old painter (Raymond Dufayel). Raymond, who is also known as the 'Glass Man' because of his brittle bone condition, wisely observes Amélie and her interactions with others. Through his conversations with her, he encourages Amélie to pursue her own happiness, particularly when it comes to building a relationship with her love interest, Nino. His gentle guidance and subtle prompting help Amélie to overcome her fears and insecurities, ultimately inspiring her to act on her feelings.