kau
1.

To take responsibility for an animal by providing food, care, and a living environment, leading to a nurturing relationship.

2.

To domesticate an animal for companionship or utility, ensuring its well-being through regular feeding and maintenance.

3.

To actively engage in the upkeep and management of an animal's daily needs, such as feeding and health care, often implying a long-term commitment.

Example:

ナンシーは犬を飼いたがっていますか。