One word substitute is Deponent.

Deponent: a person who makes a deposition or affidavit under oath.
Appellant: a person who applies to a higher court for a reversal of decision of a lower court.
Witness: a person who sees an event, typically a crime or accident, take place.
Litigant: a person involved in a lawsuit.

One word substitute is Deploy.

Disperse: distribute or spread over a wide area.
Deploy: move (troops or equipment) into position for military action.
Collocate: place side by side or in a particular relation.
Align: place or arrange (things) in a straight line.

One word substitute is Manifesto.

Manifesto: a public declaration of policy and aims, especially one issued before an election by a political party or candidate.
Agenda: a list of items to be discussed at a formal meeting.
Report: give a spoken or written account of something that one has observed, heard, done, or investigated.
Circular: having form of a circle.

One word substitution is Personify.

Characterise: describe distinctive nature or features of.
Idol: an image or representation of a god used as an object of worship.
Personify: represent or embody (a quality, concept, etc.) in a physical form.
Signify: be an indication of.

One word substitute is Itinerant.

Itinerant: travelling from place to place.
Mendicant: given to begging.
Journeyman: a worker or sports player who is reliable but not outstanding.
Tramp: walk heavily or noisily.

One word substitute is Opaque.

Ductile: (of a metal) able to be drawn out into a thin wire.
Opaque: not able to be seen through.
Obsolete: no longer produced or used.
Potable: safe to drink.

One word substitute is Lavatory.

Suite: a set of rooms designated for one person's or family's use or for a particular purpose.
Deluxe: luxurious or sumptuous; of a superior kind.
Lavatory: a room, building, or cubicle containing a toilet or toilets.
Cabin: a private room or compartment on a ship.

One word substitute is Protocol.

Statesmanship: skill in managing public affairs.
Formalism: basing of ethics on form of moral law without regard to intention or consequences.
Hierarchy: a system in which members of an organization or society are ranked according to relative status or authority.
Protocol: official procedure or system of rules governing affairs of state or diplomatic occasions.

One word substitution is Centrifugal.

Centrifugal: moving or tending to move away from a centre.
Centripetal: moving or tending to move towards a centre.
Axiomatic: self-evident or unquestionable.
Awry: away from usual or expected course

One word substitute is Piggyback.

Hunchback: a back deformed by a sharp forward angle, forming a hump, typically caused by collapse of a vertebra.
Piggyback: a ride on someone's back and shoulders.
Kickback: a sudden forceful recoil.
Cuddle: hold close in one's arms as a way of showing love or affection.