This character becomes fond of Heathcliff after nursing him through a serious illness.

The character you are referring to is Nelly Dean, who plays a significant role in Emily Brontë's novel "Wuthering Heights." Nelly serves as the housekeeper at both Wuthering Heights and Thrushcross Grange, and she acts as a narrator for much of the story.

After Heathcliff is found in a vulnerable state due to an illness, Nelly takes on the responsibility of caring for him. During this time, she begins to develop a fondness for him as she nurses him back to health. Nelly's compassion reflects her complex relationship with the characters in the novel, especially with Heathcliff, who is often seen as a dark and brooding figure. This act of caregiving allows Nelly to see a different side of Heathcliff, revealing the depth of his character beyond his often cruel demeanor.

Nelly's feelings toward Heathcliff are significant because they illustrate the themes of love, redemption, and the impact of nurture on an individual's character. Her role demonstrates how personal connections can evolve through shared experiences, even in a setting marked by hardship and emotional turmoil.