Jamieson, Fausset and Brown on 1 Corinthians 9:12

12. others--whether true apostles (1Co 9:5) or false ones (2Co 11:20).

we rather--considering our greater labors for you (2Co 11:23).

suffer all things--without complaining of it. We desire to conceal (literally, "hold as a water-tight vessel") any distress we suffer from straitened circumstances. The same Greek is in 1Co 13:7.

lest we ... hinder ... gospel--not to cause a hindrance to its progress by giving a handle for the imputation of self-seeking, if we received support from our flock. The less of incumbrance and expense caused to the Church, and the more of work done, the better for the cause of the Gospel (2Ti 2:4).