soldier, solder

Soldier or soldier means someone who serves in an army; a military person--
He was a soldier during the last war.
The weary soldier managed to sleep through most of the battle.
Soldier may also be a verb ( action word ) meaning to serve in an army--
Soldier on!
After basic training, he could soldier with the best of them.

Solder or solder ( rhymes with fodder ) means to join two pieces of metal together, by heating an alloy or a powdered alloy--
He says he can't fix it; we'll have to get someone to solder it together.
Today we are going to learn to solder two pipes together.
Solder may also mean the alloy used to join two pieces of metal--
He can't fix it now because he doesn't have any solder.
Get some solder when you go to the hardware store.

Now that you know that, you can say--
"The statue of a soldier can be mended; we can solder the two broken pieces."