1
the charterer of [a vessel/ship]
of 后常接被租用的船舶，如 vessel、ship。
The charterer of the vessel must pay the hire.
这艘船的租船人必须支付租金。
租船人；租用者；承租人
charterers — plural of charterer
先理解核心含义，再看它在真实句子里的用法。
租船人；租用者；承租人
One who charters, especially one who hires a ship for a voyage.
The charterer of the vessel must pay the hire.
这艘船的租船人必须支付租金。
包租人
A person who charters something
As the charterer, Ms. Chen arranged the insurance for the whole voyage.
作为租船人，陈女士为整个航程安排了保险。
The maritime agent is looking for a charterer to rent out the small cargo ship.
海事代理正在寻找一位租船人来出租这艘小型货船。
If the charterer fails to pay the deposit, the company will not release the vessel.
如果租船人未能支付押金，公司将不会放行该船。
of 后常接被租用的船舶，如 vessel、ship。
The charterer of the vessel must pay the hire.
这艘船的租船人必须支付租金。
act as charterer 表示以租船人的身份行事，多见于商务或契约语境。
Our firm acted as charterer for the tanker.
我们公司担任了这艘油轮的租船人。
charterer's 是名词所有格，后常接义务、权利等抽象名词。
The charterer's obligations are set out in the contract.
租船人的义务在合同中有明确规定。
Not this
The charter must pay for the fuel.
Use this
The charterer must pay for the fuel.
charterer 指“租船人/租用者”，是可数名词，表示承担租赁责任的人；charter 作名词指“租船合同/包租”。主语需要指人，所以用 charterer 而不是 charter。
Not this
We took a charterer flight to Shanghai.
Use this
We took a charter flight to Shanghai.
在名词前作定语时，应使用名词 charter 构成固定搭配 charter flight（包机/租用飞机），不能用派生名词 charterer（租船人）。修饰语要能表达“包租的”，而 charterer 不能作定语修饰 flight。
Not this
There are many charterer in the shipping market.
Use this
There are many charterers in the shipping market.
charterer 是可数名词，many 后必须接复数形式 charterers，表示多个租船人；单数 charterer 不能被 many 修饰。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
船舶承租人
The charterer of the vessel is responsible for the cargo.
该船舶的承租人负责货物。
承租人的责任
The charterer's liability is limited by the contract.
承租人的责任受合同限制。
承租人与船东
The charterer and shipowner agreed on the freight rate.
承租人与船东就运费达成了协议。
承租人租用（船舶）
The charterer hires the ship for six months.
承租人租用该船六个月。
承租人支付（租金）
The charterer pays the hire in advance.
承租人提前支付租金。
承租人代表
The charterer's representative inspected the cargo.
承租人代表检查了货物。
Use charterers naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
charter（包租契约）加 -er 表“的人”，想象拿着租船契约签字的人，就是 charterer 租船人。
语域：formal 常见场景：maritime law、shipping contracts、commercial charter parties charterer 通常用于海事、航运或商业合同等正式/书面语境，指租用船只或运输工具的人；日常口语中较少使用。
多用于航运或商业语境，指租用船只的人或公司。
Dictionary facts from ECDICT, WIKTIONARY.