Our people for ours, A.V. Our people also. The natural inference is that Titus had some fund at his disposal with which he was to help the travelers, but that St. Paul wished the Cretan Christians to contribute also.
But it may also mean, as Luther suggests, "Let our Christians learn to do what Jews do, and even heathens too, viz. provide for the real wants of their own." To maintain good works (verse 8, note) for necessary uses ( εἰς τὰς ἀναγκαίας χρείας); such as the wants of the missionaries.
The phrase means "urgent necessities," the "indispensable wants." In classical Greek τὰ ἀνάγκαια are "the necessaries of life." That they be not unfruitful ( ἄκαρποι); comp. 2 Peter 1:8 and Colossians 1:6, Colossians 1:10.