Right at the moment, I understood Confucius' feelings when he stood here and his self-confidence when he traveled like a homeless dog to lobby the Kings and Dukes of different states.
a homeless dog; a stray cur - an outcast
But, they... teased the same yellow kitten, gave food to the same homeless dog, listened to the singing of the same crow in the dim mornings.
In the famous and touching movie Hachi, a homeless dog named Hachi is raised by a professor.