Pronunciation guide: IPA symbols, stress and word endings

θ	thin	ð	this	ʃ	she	ʒ	measure
tʃ	church	dʒ	judge	ŋ	sing	j	yes

p b t d k g f v s z h m n l r w sound as in ordinary English spelling.

ˈ main stress, before the stressed syllable: /ˈwɔːtə/ water · ˌ lighter (secondary) stress: /ˌʌndəˈstænd/ understand
ː a long vowel · (r) an r said only in accents that pronounce it (most American, Scottish, Irish)

-s / -es (plurals; he/she form of verbs): /s/ after voiceless sounds (cats), /z/ after voiced (dogs), /ɪz/ after s, z, sh, ch, j sounds (buses, watches). Spelling: -es after s, x, z, ch, sh; consonant + y → -ies (city → cities).
-ed (past): /t/ after voiceless sounds (walked), /d/ after voiced (played), /ɪd/ after t or d (wanted). Spelling: love → loved, stop → stopped, carry → carried.
-ing: make → making, run → running, see → seeing.
Irregular: go, went, gone · be, was, been · see, saw, seen · man → men · child → children · mouse → mice.
Older (King James) forms: -eth = -s (he loveth = he loves) · -est with “thou” (thou lovest) · spake = spoke.

“outcasts” is a form of

outcast

UK /ˈaʊtkɑːst/ · US /ˈaʊtkæst/ verb, adjective, noun

Forms outcasts outcasting outcasted

verb (transitive) To cast out; to banish.
adjective That has been cast out; banished, ostracized.
noun One that has been excluded from a society or a system, a pariah, a leper. “If ever you chance upon the whole truth about any outcast or many, never tell it to just anybody, or at least not right away; unjust exclusion from a society is just one kind of hardship.”
noun (more generally) Synonym of outsider: someone who does not belong, a misfit.
noun (Scotland) A quarrel.
noun The amount of increase in the bulk of grain during malting.

Synonyms

From Middle English outcasten, equivalent to out- + cast.

From Middle English outcaste, outecaste, equivalent to out- + cast.

adjective Cast out; degraded. "Outcast, rejected." Longfellow.
noun One who is cast out or expelled; an exile; one driven from home, society, or country; hence, often, a degraded person; a vagabond.
noun A quarrel; a contention. [Scot.] Jamieson.

Etymology [Cf. Sw. utkasta to cast out.]

Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “outcast”, CC BY-SA 4.0. Details

Sanskrit dictionary entries whose meaning includes “outcast” (best matches first).

शैख śaikha (doubtful), the offspring of an outcast Brāhman.
चार्य cārya name of a despised caste, the son of an outcast Vaiśya;
निहीन ni-hīna low, vile, of low origin; ( as ), m. a low man, an outcast.
पक्कण pakkaṇa the hut of a Cāṇḍāla or of any outcast, the abode of a savage or barbarian;
रेक reka suspicion, doubt, fear, care, anxiety, concern; a man of a low caste, outcast; a frog;
निकृष्ट ni-kṛṣṭa debased, low, base, vile, vulgar; despised, outcast; near; ( am ), n. vicinity, proximity.
जुङ्गित juṅgita deserted, injured, abandoned, outcast; ( as ), m. a man of a degraded caste, a Cāṇḍāla etc.
नाहल nāhala a man of a barbarous or outcast tribe; ( ās ), m. pl., name of a non-Āryan people ( = mleccha ).