Addressing an Unspecified Person
You already know that the particle يا is used to address someone directly. However, Arabic grammar rules change depending on who you are addressing.
When calling out to a general, unspecified person—such as addressing "any driver" rather than a specific driver standing right in front of you—the noun is treated as an unintended indefinite (النكرة غير المقصودة).
The Accusative Vocative
When the vocative noun addresses an unspecified person, it must be put into the accusative case (منصوب).
For singular nouns, you mark this accusative state by adding the tanwin fatha ending, which is written with an extra alif (ـًا) at the end of most words.
| The police issued an alert: Reckless driver, you will not escape the consequence of speeding. | أصدرت الشرطة تنبيها: يا مستهترا، لن تهرب من عاقبة السرعة.asdarati ash-shurtatu tanbîhan: yâ mustahtiran, lan tahruba min aaqibati as-surati. |
| Maryam read a warning on the beach: Swimmer, do not swim here lest you drown. | قرأت مريم تحذيرا على الشاطئ: يا سباحا، لا تسبح هنا لئلا تصبح غريقا.qara'at maryamu tahdhiran 'alâ ash-shâti'i: yâ sabbâhan, lâ tasbah hunâ li'allâ tusbiha ghariqan. |
Public Campaigns and Warnings
Because this grammatical structure speaks to a broad, general audience, it is the standard way to write public safety campaigns, civic warnings, and street signs. You will often see it paired with imperative verbs (commands) to urge citizens toward safety.
| Smoker, quit this bad habit for protection from the consequence of the disease. | يا مدخنا، اترك هذه العادة السيئة للوقاية من عاقبة المرض.yâ mudakhkhinan, utruk hâdhihi l-'âdata s-sayyi'ata lilwiqâyati min 'âqibati l-maradi. |
| Passerby on this street, read every alert and write down your notes. | يا مارا في هذا الشارع، اقرأ كل تنبيه واكتب ملاحظاتك.yâ mârran fî hâdhâ ash-shâri, iqra' kulla tanbîhin waktub mulâhazâtika. |
| Citizen, be responsible and do not be heedless of the warning. | يا مواطنا، كن مسؤولا ولا تكن غافلا عن التحذير.yâ muwâtinan, kun mas'ûlan wa lâ takun ghâfilan 'ani t-tahdhîr. |