Glossary entry (derived from question below)
Arabic term or phrase:
الأصدقاء الطارئين
English translation:
Fair-weather friends
Arabic term
Egypt
Translation is a Journey I take Everyday
Native in: Arabic 
, English
Works in: English to Arabic
الأصدقاء الطارئين
الطارئين الذين تعرف عليهم بالدار
Mar 6, 2020 04:25: Ramadan Ibrahim Created KOG entry
Proposed translations
United Arab Emirates
Professional Accurate EnAr Translator
Native in: Arabic (Variants: Saudi , UAE, Standard-Arabian (MSA), Egyptian)
Works in: English to Arabic, Arabic to English, Arabic, and 1 more.
Fair-weather friends
The fair-weather friend, the sponge, the leech who profits off the success of others?
I'm not like those so-called... fair-weather friends of yours.
United States
careful conveyance of the meaning
Native in: English (Variant: US) 
Works in: Arabic to English
those who are friends because they want something from [you]
وهناك الكثير من الأصدقاء الطارئين ، الذين يحاولون إقتناص الفرص لحصد أكبر كم من الغنائم المفترضة من صديقهم الثري أو العالم أو السياسي أو الإعلامي دون وجه حق ، كالجاه والمال والشهرة والمناصب المرموقة وغيرها .
The above is from the following link:
https://pulpit.alwatanvoice.com/content/print/214077.html
I could not think of an exact term for this.
--------------------------------------------------
Note added at 1 hr (2020-02-29 16:05:59 GMT)
--------------------------------------------------
Or: friends of self-interest
France
Arabic professional content & beyond...
Native in: Arabic (Variant: Standard-Arabian (MSA)) , French (Variant: Standard-France)
Works in: English to Arabic, French to Arabic, German to Arabic, and 6 more.
United States
relible translator"
Native in: Persian (Farsi) , English (Variants: US, Australian, French, UK, Canadian, New Zealand, US South, British, Indian)
Works in: Korean to English
emergency friends
Syria
Arabic is hard, always choose a native
Native in: Arabic
Works in: English to Arabic, Arabic to English, Arabic, and 1 more.
fling frinedship - flingship
Raise the awareness of the juvenile about the difference between a true friendship and a flingship
Something went wrong...