G5389–φιλοτιμέομαι–philotimeomai

making it my ambition, however, not to tell the Good News where Christ's name was already known, for fear I should be building on another man's foundation.

φιλοτιμούμενον philotimoumenon “being ambitious”

And for this reason also we make it our ambition, whether at home or in exile, to please Him perfectly.

φιλοτιμούμεθα, philotimoumetha “we are ambitious,”

and to vie with one another in eagerness for peace, every one minding his own business and working with his hands, as we ordered you to do:

φιλοτιμεῖσθαι philotimeisthai “to strive earnestly”