How to turn off online option for someone on Facebook

Asslam o Alaikum.

Friends Umeed Hay Aap Theek Hongay.
 Aj MeN Aapke Liye Ek New Post Lekar Aya Hon Jis MeN Aapko Bataonga Ke Aap Facebook Par Kuch Logon Ke Liye Online Option Kese Off Karen.
Aap Facebook use Karte Ho To Yaqenon Aapke Boht Se Friends Bhe Hongay.
Aap Apne Friends MeN Se Sirf Kuch Logo Ke Liye Online Hote Ho Aur Sirf Kuch Friends Ke Sath Chat Karna Pasand Karte Honge.
Par Jab Bhi Aap Online Honge To Apka Chat Active Option Green Icon Ki Shakal MeN Aapke Tamam Friends Ko Nazar Aata Hay Aur Phir Bahut Se Friends Aapko Messages Kar Ki Disturb Karne Ki Koshish Karenge.
To Aap Kaisay Ye Option Un Logon Ke Liye Off Karen Ke Unko Pata Bhi Na Lage Ke Aap Online Hay Ya Offline.
Off Karne Ki Simply Option Wo Hay Jo Chat off Kare.Phir Tamam Friends Ke Liye Aap Offline Show Honge.But Hum Yaha Ye Option Sirf Kuch Friends Ke Liye Off Karenge Jo Apko Tang Karta Hay.

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Sub Se Pehle Apna Facebook Account Computer MeN Ya Mobile Ki Koi HD Browser Me Desktop Version Se Open Kare..
Kyon Ki Ye Function Apko Sirf Desktop Version MeN Nazar Ayega.

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Ab Aap Apna Chat Open Kare.
To Yaha Apko Upar Ik Chota Sa Setting Ka Icon Nazar Ayega.
Aap Us Par Click Kare.

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Ab Yaha Par Apko Kuch Option Nazar Aayenge.To Aap Yaha
⇨ Advance Setting 
Par Click Kare.

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Ab Yaha Apko Upar
⇨ Turn Off Chat For Some Contact Only
Par Tick Laga Kar Search Me Wo Friends Search Kare.
Jeske Leye Aap Ye Option Off Karna Chahte Hai.

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Friends Search Karne Ke Bad Select Kare.
Aur Phir Neeche
⇨ Save
Par Click Kare.

Ab Is Shakhs Ke Leye Aap Online Show Nahi Honge.Aur Mazeed Friends Ke Liye Online Show Honge..
Friends Umeed Hay Ke Aapko Ye Post Passand Ae Hogi.