Assalamu 3laykum,
My sister in Islam, may Allah bless you, for you go through what many of us go through. Feeling of loneliness, isolation, and worry. Allah hears your cry and remember, even if you are alone then that is fine because one of the best of creation was alone, and he was an entire ummah by himself. Allah says
120. Verily, Ibrâhim (Abraham) was an Ummah (a leader having all the good righteous qualities), or a nation, obedient to Allâh, Hanifa (i.e. to worship none but Allâh), and he was not one of those who were Al-Mushrikûn (polytheists, idolaters, disbelievers in the Oneness of Allâh, and those who joined partners with Allâh). Surah 16:120
So imagine being the ONLY one upon truth. Imagine knowing that everyone is upon misguidance but you. One can have mixed feelings about this but don't despair, for Allah says
7. So whosoever does good equal to the weight of an atom (or a small ant), shall see it. Surah 99:7
I remind you, me, and everyone else of the hadeeth related by Abi Hurrayrah from the saheeh of Imam Muslim where he, sallallaahu alayhi'wa'salam said,
“Islaam began as something strange and it will return to being strange as it began. So
Toobaa is for the strangers.”
It is said that Toobaa means something good. Allaah mentions this word in Surat-ur-Ra’ad of His Final Revelation: “Those who believe and do righteous deeds, Toobaa is for them and a pleasant destination.” According to Ibn Katheer’s Tafseer (Abridged 1/281), Ibraaheem An-Nakha’ee (rahimahullaah), the great Taabi’ee, said it means “good is for them.” Qataadah said: “When a man says Toobaa for you it means you have attained something good. ‘Ikrimah and Mujaahid said that Toobaa means Paradise. And it is also said that Toobaa refers to a tree in Paradise which the Prophet, sallAllaahu ‘alayhi wa sallam, spoke of when he said: “Verily, there is a tree in Paradise under the shadow of which a rider can travel for a hundred years without being able to cover (it’s distance) completely.” [Saheeh Muslim] This is what seems to be indicated in the above hadeeth, due to another hadeeth reported on the Prophet, in which he said: “Toobaa is a tree in Paradise. Its (shade’s) distance (in traveling) is one hundred years. And the garments of the inhabitants of Paradise will be extracted from its branches.” Imaam Al-Albaanee graded it hasan in his Silsilat-ul-Ahaadeeth As-Saheehah (no. 1985).
So don't be sad, down, and don't worry. Continue to traverse the path of Muhammad sallallaahu alayhi'wa'salam and be firm in it. Allah will make your way easy for you and reward you.
When you get a chance, read al hafidh ibn Rajab al Hanbali said about the strangers
http://www.kalamullah.com/Books/Strangers.pdf