Goat, horse, and Kshatriya, were created by Brahman for the same purpose (of being useful to everybody). A Kshatriya, therefore, should always seek the happiness of all creatures.
अजोऽश्वः क्षत्रमित्येतत् सदृशं ब्रह्मणा कृतम्। तस्मादभीक्ष्णं भूतानां यात्रा काचित् प्रसिद्ध्यति॥