(1)签署人
将其姓名签署于书面文件上的人；其目的或为认证该文件或为采纳其条款内容，或为使自己受该文件拘束，将其签名附着于任何文件的人。

(2)认购人；认股者
同意购买公司证券，包括股票及债券的人。

(3)捐助人

(4)(报刊的)订户

• ea intentione
• ealder
• ealderman
• ealding
• ealdor-biscop
• ealdorburg
• ealdorman
• ealhorda
• Ea quae, commendandi causa, in venditionibus dicuntur, si palam appareant, venditorem non obligant.
• Ea quae dari impossibilia sunt, vel quae in rerum natura non sunt, pro non adjectis habentur.
• Ea quae in curia nostra rite acta sunt debitae executioni demandari debent.
• earl
• earldom
• earldorman
• earles-penny
• earlier maturity rule
• earliest possible convenience
• Earl Marshal
• Earl Marshal of England
• earl palatine
• earl's penny
• ear-mark
• earmark doctrine
• ear-mark rule
• earn