What gifts and benefits in Claude's life does Mr. Fredericks urge Claude to appreciate?

The gifts and benefits in Claude's life that Mr. Fredericks urges Claude to appreciate are Mr. Weisfeld's mentoring, Claude's own celebrity, and his connections through Mr. Fredericks and Lady. Mr. Weisfeld mentored Claude, serving as a father figure and loving him unconditionally. Claude's own celebrity and his connections through Mr. Fredericks and Lady enable him to move in higher social circles. His relationship with Lady also helps him connect with Senator Barnes, who helps Claude fight the city government to keep the music store from being torn down.