Explanation:

Karna in Mahabharata:
Karna is known for his extreme generosity in the Mahabharata. He was born to Kunti before her marriage, and was abandoned by her. He was brought up by a charioteer, which led to him being often referred to as Suta Putra Karna. Despite facing various challenges and discrimination due to his low birth, Karna grew up to become a skilled warrior and a noble character.

Acts of Generosity:
Karna's generosity is exemplified through various instances in the Mahabharata. One of the most well-known examples is his offering of his Kavach (armor) and Kundal (earrings), which were gifts from his father Surya, to Lord Indra disguised as a Brahmin. Karna's selfless act of charity even in the face of adversity showcases his noble character.

Helping Others:
Karna was also known for his willingness to help others, regardless of their social status or background. He was always ready to lend a helping hand to those in need, even if it meant sacrificing his own resources or comforts. This aspect of Karna's personality earned him the respect and admiration of many people around him.

Conclusion:
In conclusion, Karna's extreme generosity and selflessness make him a memorable character in the Mahabharata. Despite facing numerous challenges and hardships in his life, Karna's acts of charity and kindness towards others set him apart as a noble and virtuous individual in the epic.