Witnesser
The Century Dictionary and Cyclopedia
noun.
One who gives or bears testimony.
the GNU version of the Collaborative International Dictionary of English
noun.
One who witness.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
One who
witnesses
.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
someone who sees an event and reports what happened
Word Usage
"All we know is where this lion witnesser works, and what he does."
Hypernym
Words that are more generic or abstract
beholder
observer
perceiver
percipient
speaker
Hyponym
Words that are more specific
attestant
attester
deponent
deposer
testifier