Der ist edel, / welcher edel fhlt und handelt—He is noble who feels and acts nobly.
Whereupon Mr Tucker, the welcher, rose and put a question on another matter.
welcher is a thing you needn't have to do with if you're careful.
Upon my word I half envy you, Riddell, old man, being a welcher.
“I never expected to find you a welcher,” says old Wyndham to the captain.
Welch (wělch, wělsh), William Henry. 1850-1934.
American pathologist and bacteriologist who discovered the bacteria that causes gas gangrene.