How to use "tender" in a sentence

Sentences

I ask, is it unconstitutional for a policeman or for a soldier to tender his resignation when he knows that he is called to serve a Government which traduces his own countrymen? Is it unconstitutional for me to go to the agriculturist and say to him "it's not wise for you to pay any taxes, if these taxes are used by the Government not to raise you but to weaken you?" I hold and I venture to submit, that there is nothing unconstitutional in it

The wound was achingly tender but healed.

Then came the thought of myself, of my wife, and the old life of hope and tender helpfulness that had ended forever.

His manner, towards Laura has changed: he does not look at her with tender interest anymore.