Valmiki Ramayana Ayodhya Kanda Sarga 8 Shloka 36
Original Shlokaअभिद्रुतमिवारण्ये सिंहेन गजयूथपम्। प्रच्छाद्यमानं रामेण भरतं त्रातुमर्हसि।।2.8.36।।
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अरण्ये in the forest, सिंहेन by a lion, अभिद्रुतम् being attacked, गजयूथपम्इव like the leader of the elephant herd, रामेण by Rama, प्रच्छाद्यमानम् being overpowered, भरतम् Bharata, त्रातुम् to save, अर्हसि it behoves you.
Like the leader of an elephantherd attacked by a lion in the forest, Bharata is going to be oppressed by Rama. You should save him.