encumbrance vs obstructer

encumbrance and obstructer both are nouns.

Word	Noun	Adjective	Verb	Adverb
encumbrance	Yes	No	No	No
obstructer	Yes	No	No	No

As nouns, obstructer is a hypernym of encumbrance; that is, obstructer is a word with a broader meaning than encumbrance:

Other hypernyms of encumbrance include impediment, impedimenta, obstruction, obstructor.

encumbrance (noun)	obstructer (noun)
any obstruction that impedes or is burdensome	any structure that makes progress difficult
an onerous or difficult concern	someone who systematically obstructs some action that others want to take
a charge against property (as a lien or mortgage)