"Fervent" is ektenes. Ek means "out" and intensifies teino meaning "to stretch". Properly "to stretch out". But the intensity of ek denotes "straining".
#Exhortweetion
What Peter is saying that believers are going to sin against each other and we are going to have to use every ounce of our being to love them.
That is strenuous work.
Let's strive to fervently love the brethren who offend us
That is today's #Exhortweetion