यावदेतान्निरीक्षेऽहं योद्धुकामानवस्थितान्। कैर्मया सह योद्धव्यमस्मिन्रणसमुद्यमे ॥

yāvadetān nirīkṣhe ’haṁ yoddhu-kāmān avasthitān kairmayā saha yoddhavyam asmin raṇa-samudyame

That I may behold these standing, longing for battle, with whom I must strive in this outbreaking war,

In plain words: Arjuna says he wants to look at the people on the other side who are eager to fight. These are the people he will have to battle in this war.