shade, darkness, overshadow, phantom, vestige, tail, apparition, dwarf, trace, shade off, more...

light, brightness, illumination, sunshine, radiance

umbra, penumbra, cast shadow, form shadow, attached shadow, soft shadow, hard shadow, more...

dark, own, long, deep, black, mere, very, faint, pale, blue, least

follow closely,   closely follow,   follow secretly,   follow someone,   follow around,   dark silhouette,   it may follow you,   general shade,   dark area,   peter pan lost his