What's the difference between bondman and bondsman?

Bondman

Definition:

• (n.) A man slave, or one bound to service without wages.
• (n.) A villain, or tenant in villenage.

Example Sentences:

Bondsman

Definition:

• (n.) A slave; a villain; a serf; a bondman.
• (n.) A surety; one who is bound, or who gives security, for another.

Example Sentences:

• (1) Ex-Downton villain Iain Glen, boomingly Shakespearean, is her hale and true bondsman Ser Jorah Mormont.