Assessor

a person who makes -ssessments, especially for purposes of taxation.
an adviser or -ssistant to a judge, especially one serving as a specialist in some field.
archaic.

a person who shares another’s position, rank, or dignity.
a person sitting beside another in an advisory capacity; an advisory -ssociate.

contemporary examples

“there is a conceptual leap that the first -ssessor used,” feldman said.
one breakdown can mean losing your kid forever propublica may 29, 2014

historical examples

the -ssessor puts the question—what is the bitterest affliction?
the home fredrika bremer

the -ssessor in 1860 reported only two quartz-mills in the county.
hittel on gold mines and mining john s. hittell

a long while ago he was -ssessor and treasurer of the county for several successive terms.
lincoln’s yarns and stories alexander k. mcclure

mrs. gunilla and the -ssessor quarrelled till the last moment.
the home fredrika bremer

joey is to have the -ssessor’s room on the ground floor of our neighbor’s house, and will come up here for lessons and meals.
frulein schmidt and mr. anstruther elizabeth von arnim

in the midst of these little occurrences the -ssessor came in.
the home fredrika bremer

i am not sure that the -ssessor is not right, and that one cannot, in matters of the spirit, be too exclusive.
frulein schmidt and mr. anstruther elizabeth von arnim

the -ssessor shook out the “family-roof” in the hall in indignation.
the home fredrika bremer

before personal property the -ssessor would still stand powerless.
appletons’ popular science monthly, august 1899 various

noun
a person who evaluates the merits, importance, etc, of something, esp (in britain) work prepared as part of a course of study
a person who values property for taxation
a person who estimates the value of damage to property for insurance purposes
a person with technical expertise called in to advise a court on specialist matters
a person who shares another’s position or rank, esp in an advisory capacity
n.

late 14c., from old french -ssessor “-ssistant judge, -ssessor (in court)” (12c., modern french -ssesseur) and directly from latin -ssessor “an -ssistant, aid; an -ssistant judge,” in late latin “one who -ssesses taxes,” literally “a sitter-by,” agent noun from past participle stem of -ssidere (see -ssess).