I shall strike at your Kshatriya-hood since, O Rama, you have adopted the life of a Kshatriya; a Brahmana becomes a Kshatriya owing to his taking up arms.
प्रहरे क्षत्रधर्मस्य यं राम त्वं समाश्रितः। ब्राह्मणः क्षत्रियत्वं हि याति शस्त्रसमुद्यमात्॥