dui-vipra-madhye - between the two brāhmaṇas; eka vipra - one brāhmaṇa; vṛddha-prāya - elderly man; āra vipra - the second brāhmaṇa; yuvā - young man; tāṅra - of the older brāhmaṇa; karena - does; sahāya - assistance.

One of the two brāhmaṇas was an old man, and the other was young. The young man was assisting the old one.