There is one warrior on fire and the people who are running from himThere is one warrior on fire and the people who are running from him
In shades of pink background and flower in one colorIn shades of pink background and flower in one color
The one who stubbornly goes to the goal is always a championThe one who stubbornly goes to the goal is always a champion
Без других, в отдельности. Тот же самый, тожественный. Единый, целостный. Число, цифра и количество 1. Какой-то, некий. Только, исключительно. Какой-нибудь в ряду сходных.